DE102011008992A1 - closure device - Google Patents

Abstract

The invention relates to a locking device (2) for opening and / or reclosing a wall element (4), such as a door or tailgate, in particular a motor vehicle, with an unlocking and / or locking device (6) for opening and reclosing the wall element (4), with a holding device (8) by means of which the wall element (4) is closed again in a first functional position (12), from which it is, in particular automatically returned, closed, or by means of which the wall element (4) in a second functional position (16), from which the wall element (4) is held openable, can be arranged and with a control device (18) which has at least one tensioning means (20) of the unlocking and / or locking device (6) with which the wall element (4) with a force in Direction of the second functional position (16) can be acted upon, releases for a specific first release period (303) when the wall element (4) is closed or in the first when an actuating means (22) is actuated n functional position is arranged and which locks at least the clamping means (20) after a certain second release period (401) when the wall element (4) is opened when the actuating means (22) is actuated.

Description

The invention relates to a closure device for opening and / or reclosing a wall element, such as door or tailgate, in particular of a motor vehicle, a control device for controlling such a closure device and a method for opening and reclosing a wall element.

Such closure devices are known in motor vehicles. In a known closure device designed as a tailgate wall element is pushed open by means of a pop-up system after actuation of an actuating means in the opening direction.

The designed as a clamping device pop-up system pushes the tailgate with a force that is just sufficient to the tailgate on the main and pre-catch over to open so far that it is then manually or automatically openable.

The closure device must also function in adverse weather conditions, for example at very low temperatures. For this purpose, the force that acts through the clamping means on the wall element for opening, adapted to the adverse circumstances. In weather conditions in which, by contrast, prevail, for example, high outside temperatures, the energy that is available through the tensioning means of the closure device, increased in such a way that the tailgate is pushed not only in the direction of the pre-catch, but beyond. As a result, the tailgate falls back after reaching a turning point in the direction of the pre-catch. As a result, the tailgate may have a kinetic energy when hitting the pre-catch, which is sufficient to overcome the pre-catch in the closing direction. In such case, the tailgate falls back to the detent position of the main catch.

By means of the pre-catch the tailgate is automatically closed again. A user must then operate the actuator again to open the tailgate, which has proven to be inconvenient and annoying.

In addition, a user inadvertently touching the actuating means when closing the open wall element and thereby actuate, whereby the wall element is not locked in the closed position when, for example, manual closing by a user but is pushed open again by the clamping means, which also as inappropriate and disturbing has exposed.

Out US2010 / 0032965 A1 is a closure device is known in which the tailgate is automatically pushed open depending on the position of the tailgate.

The object of the invention is to propose a closure device in which the risk of unintentional reclosing and / or opening of the wall element is reduced.

The object is achieved by a closure device according to the invention for opening and / or reclosing a wall element, such as door or tailgate, in particular a motor vehicle, with a locking and unlocking device for opening and reclosing the wall element, with a holding device by means of which the wall element in a first functional position, from which it is recirculated, in particular automatically reclosed, or by means of which the wall element in a second functional position, from which the wall element is apparently held, can be arranged and with a control device, the at least one clamping means of the unlocking and / or locking device , with which the wall element can be acted upon with a force in the direction of the second functional position, releases for a certain first release period when the wall element is closed when operating an actuating means or in the first functional position and the z at least the clamping means after a certain second release period locks when the wall element is open upon actuation of the actuating means.

The force with which the wall element is acted upon in the direction of the second functional position is preferably just sufficient that the wall element in the second functional position in the presence of particularly adverse weather conditions, such as particularly low outside temperatures, can be arranged.

The second functional position is, as seen in the opening direction, downstream of the first functional position. First functional position and second functional position may include a specific position or comprise a range of multiple positions.

The actuating means may be of any desired design and, for example, comprise a key, in particular an electric key or an actuating switch, such as a release button, in particular a touch button.

In principle, it is possible for the first release duration and the second release duration to be the same length. Furthermore, it is conceivable that the first release duration and the second release duration differ from each other. Preferably, the first release period is longer than the second release period.

The first release period is preferably just as long as the time required mechanically to push open the wall element, to reach the reversal point above the second functional position, to fall back into the first functional position, to be pushed open again and finally to remain in the second functional position ,

The second release duration is preferably just as shorter than the total time required to close the wall element.

It proves to be advantageous if the first release duration is between 150 and 1000 milliseconds, preferably between 200 and 850 milliseconds, preferably between 300 and 700 milliseconds, and / or the second release period between 0 and 200 milliseconds, preferably between 0 and 150 milliseconds between 0 and 100 milliseconds.

Characterized in that the control device detects whether the wall element is open when closing, the second release period can be selected to be particularly low. This avoids that the wall element unintentionally reopens after, for example, manual closing.

In a development of the invention, it is provided that the wall element is held manually or automatically in the second functional position.

It proves to be particularly advantageous if the first functional position between a first detent and a second detent, in particular main detent and pre-detent, and / or the second functional position above the second detent, in particular pre-detent, is formed.

In addition, it is conceivable that further notches are provided at least between the first catch and the second catch. Furthermore, at least one further catch can also be provided in the opening direction behind the second catch.

In principle, it is conceivable that the clamping means of the unlocking and / or locking device is tensioned, for example, by a drive. However, it is preferred if the clamping means is automatically tensioned when closing the wall element, in particular by the wall element.

The clamping means may be formed hydraulically or electrically. If the clamping means is mechanically formed, it proves to be advantageous if the clamping means comprises at least one spring element. This is, when closing the wall element, in a simple manner tensioned by the fact that the at least one spring element is compressed, wherein energy can be stored in the compression. In such case, the tensioning element may comprise a gas spring.

In a further development of the invention, at least one sensor unit is provided, with which it can at least be seen whether the wall element is open or closed.

The sensor unit preferably cooperates with the control device, so that the control device can detect by means of the sensor unit whether the wall element is open or closed.

In addition, it can be detected by the control device by means of the sensor device, whether the wall element is in the second functional position. In such a case, it would be conceivable for the control device to fix the tensioning means if it is detected by means of the sensor unit that the wall element is arranged in the second functional position, even if the first time duration has not yet elapsed.

In order to fix the wall element when it is closed, it proves to be advantageous if the unlocking and / or locking device comprises a locking means, in particular switchable by the control means, with which the, in particular closed, wall element on a receptacle, in particular striker , is definable. In this case, an unwanted reopening of the wall element is prevented.

In addition, it proves to be advantageous if the unlocking and / or locking device is designed to be electrically controllable by the control device and / or the release of the clamping device comprises an energizing the unlocking or locking device.

In this case, the release of the tensioning means by the control device comprises an extension of the energizing time of the unlocking and / or locking device.

If the unlocking and / or locking device is not energized, it preferably locks the clamping means.

In addition, the object is achieved by a control device according to the invention for controlling a closure device, which is particularly suitable for a closure device with the aforementioned features, wherein the control device is at least designed such that a Clamping means of the unlocking and / or locking device can be released or fixed by them.

• a. Betätigen einer Betätigungseinrichtung, insbesondere durch einen Benutzer;
• b. Erfassen durch die Steuereinrichtung, ob das Wandelement geschlossen oder geöffnet ist;
• c. Wenn das Wandelement geschlossen ist: i. Freigeben eines, insbesondere elektrisch ansteuerbaren, Spannmittels der Ent- und/oder Verriegelungseinrichtung für eine bestimmte erste Freigabedauer; ii. Beaufschlagen des Wandelements mit einer Kraft durch das Spannmittel, wenn das Wandelement geschlossen oder in einer ersten Funktionsstellung der Halteeinrichtung angeordnet ist; iii. Wieder Festlegen des Spannmittels nach Ablauf der bestimmten ersten Freigabedauer durch die Steuereinrichtung;
• d. Oder wenn das Wandelement offen ist: i. Freigeben eines, insbesondere elektrisch ansteuerbaren Spannmittels der Ent- und/oder Verriegelungseinrichtung für eine bestimmte zweite Freigabedauer; ii. Festlegen der Spannmittel der Ent- und/oder Verriegelungseinrichtung nach Ablauf der zweiten Freigabedauer;

In addition, the object is achieved by an inventive method for opening and reclosing a wall element, such as door or tailgate, in particular a motor vehicle, with a locking and / or locking device, with a holding device and with a control device, with a clamping means releasable and fixable is with the steps:

• a. Actuating an actuating device, in particular by a user;
• b. Detecting by the control means whether the wall element is closed or opened;
• c. When the wall element is closed: i. Releasing a, in particular electrically controllable, clamping means of the unlocking and / or locking device for a certain first release period; ii. Acting on the wall element with a force by the clamping means when the wall element is closed or arranged in a first functional position of the holding device; iii. Resetting the tensioning means after the determined first release period has elapsed by the control device;
• d. Or if the wall element is open: i. Releasing a, in particular electrically controllable clamping means of the unlocking and / or locking device for a certain second release period; ii. Setting the tensioning means of the unlocking and / or locking device after expiration of the second release period;

Under substantially closed is understood below that the wall element is in the closed state or is arranged in the first functional position of the holding device.

Characterized in that the tensioning means of the unlocking and / or locking device is released for the specific first release period, the wall element is also then subjected to a force when it returns to the first functional position after regurgitation by the clamping means in the direction of the second functional position should fall behind. This ensures that the tensioning means automatically acts again on the wall element with a force for opening the wall element.

The force with which the tensioning means acts on the wall element when the wall element is in the first functional position is preferably lower than the force with which the tensioning means acts on the wall element when it is closed. As a result, a possible reversal point of the wall element during the opening process is lower than when the wall element is opened by the clamping means from the closed state. As a result, in addition, the kinetic energy of the wall element is less when hitting the second functional position, whereby this is not sufficient to overcome the second functional position.

It is of particular advantage that the user does not have to operate the actuating means again to open the wall element.

Characterized in that a second release period is provided, the wall element can be closed without being automatically reopened by the clamping means from the closed position. In such case, it proves to be advantageous if the second release time is less than, for example, manual closing of the wall element.

Preferably, the first release period comprises between 150 and 1000 milliseconds, preferably between 200 and 850 milliseconds, preferably between 300 and 700 milliseconds, and / or the second release period between 0 and 200 milliseconds, preferably between 0 and 150 milliseconds, preferably between 0 and 100 milliseconds ,

It proves to be advantageous if, before or with the unlocking or locking of the clamping means of the unlocking and / or locking device, a locking means of the unlocking and / or locking device is released or fixed by the control device.

When the locking means is released, the wall element can be easily opened. When the locking means is fixed, the wall element is held in the closed position.

In addition, it proves to be advantageous if the control device determines by means of at least one sensor unit, whether the wall element is open or closed. In this case, the first release duration and / or second release time is easily selectable.

In a development of the method, it is provided that the control device detects by the at least one sensor unit whether the wall element is arranged in the second functional position.

In such case, the control device can define the tensioning means if the wall element is already arranged in the second functional position.

Finally, it proves to be advantageous if the clamping means is automatically stretched when closing the wall element. This is the Forces that can be used anyway during opening and reclosing can be efficiently converted and / or used.

The method according to the invention and the closure device according to the invention prove to be advantageous in several respects.

Characterized in that the clamping means is released by the control device for a certain first release period, the wall element is pushed not only from the closed position in the direction of the second functional position, but also again when the wall element has fallen back into the first functional position. In that case, the actuating means need not be re-actuated by a user.

In addition, the provision of a certain second release duration proves to be advantageous in that the clamping means is already fixed by the control device when the wall element is closed, for example, by a user. As a result, a re-pushing of the wall element is prevented by the clamping means.

Further features, details and advantages of the invention will become apparent from the appended claims, the drawings and the following description of a preferred embodiment of the method according to the invention.

In the drawing shows:

1a C is a schematic representation of a closure device according to the invention;

2 a schematic representation of a method according to the invention;

3 a schematic representation of the opening height removed over time when opening a wall element;

4 a schematic representation of the opening height removed over time when closing a wall element.

The 1a to 1c show a schematic representation of a total with the reference numeral 2 provided closure device for opening and / or reclosing a wall element 4 such as door or tailgate, in particular a motor vehicle.

The closure device 2 includes a locking and / or locking device 6 for opening and reclosing the wall element 4 ,

The wall element 4 is by means of a holding device 8th in a first notch 10 trained first functional position 12 (in 1b shown), from which the wall element 4 , in particular automatically, is closed again, or in one above a second catch 14 trained second functional position 16 from which the wall element 6 held open, can be arranged. The first functional position 12 is here between the first catch 10 and the second catch 14 educated.

The closure device 2 also has a control device 18 on, with the at least one clamping device 20 the unlocking and / or locking device 6 for a first release period 303 (in 3 shown) or a second release period 401 (in 4 shown) is releasable.

The clamping device 20 is through the control device 18 for the specific first release period 303 released when the wall element 4 upon actuation of an actuating means 22 closed or in the first functional position 12 is arranged.

The clamping device 20 is through the control device 18 for the particular second release period 401 released when the wall element 4 upon actuation of the actuating means 22 is open.

Through the clamping device 20 is the wall element 4 with a force in the direction of the second functional position 16 acted upon.

To detect if the wall element 4 is open or closed is a sensor unit 24 provided with the control device 18 interacts.

To the wall element 4 to set in its closed position includes the unlocking and / or locking device 6 a, in particular by the control device 18 switchable, locking means 26 , with which, in particular closed, wall element 4 at a recording 28 , in particular a striker 30 , is definable.

Based on 2 will the functioning of the closure device 2 in particular by the corresponding method for opening and reclosing the wall element 4 described.

In a first step 200 becomes the actuating means 22 for example, by a user, operated.

By actuating the actuating means 22 becomes the controller 18 arranged in one step 201 by means of the sensor unit 24 to detect if the wall element 4 closed or opened.

Here, by substantially closed, it is to be understood that the wall element 4 in the closed position or in the first functional position 12 the holding device 8th is arranged.

If through the control device 24 in step 201 it is found that the wall element 4 is closed or in the first functional position 12 is located, gives the controller 24 in one step 202 the clamping device 20 the unlocking and / or locking device 6 for the specific first release period 303 free.

By releasing the clamping device 20 in step 202 , will in the following step 203 the wall element 4 with a force through the clamping device 20 acted upon, making it toward the second functional position 16 of the holding agent 8th moved, in particular pushed, is.

As a result, the wall element 4 again through the clamping device 20 acted upon by a force in the opening direction when it is in the first functional position 12 should fall behind. In that case, step 201 repeated.

After expiration of the determined first release period 303 becomes the clamping device 20 in the final step 204 by the control device 18 set again.

When the wall element 4 however in the step 201 is in an open position, the clamping element 20 by the control device 18 for a given second release period 401 in one step 205 Approved.

After expiration of this specific second release period 401 , the clamping device becomes 20 by the control device 18 in a final step 206 set again.

The second release time 401 is not sufficient in that case, that wall element 4 again in the direction of the second functional position 16 of the holding agent 8th to move and thereby reopen.

3 shows a representation of the opening height y of the wall element 4 over the time t removed when opening the wall element 4 , Here it becomes clear that the wall element 4 through the clamping device 20 over the range of the second functional position 16 can be moved out.

After reaching a first reversal point 301 falls the wall element 4 back towards the closed position. If necessary, the kinetic energy is so great that the wall element 4 through the area of the second functional position 16 in the area of the first functional position 12 falling back. There is the wall element 4 again through the clamping device 20 acted upon by a force in the opening direction. In 3 finds the renewed application of force at a second reversal point 302 instead of.

Because of the second reversal point 302 above the closed position of the wall element 4 is arranged, is the force with which the tensioning means 20 on the wall element 4 works, reduces. As a result, the wall element 4 by the second diminished impact in the second functional position 16 arranged from the wall element 4 is openable. The first release time 303 is at least as long as the opening process described above lasts.

4 shows a representation of the opening height y of the wall element 4 eroded over time when closing the wall element 4 , The wall element 4 is closed manually or automatically. The second release time 401 is chosen so that the clamping device 20 is set when the wall element 4 a third reversal point 402 reached. This is an automatic reopening of the wall element 4 prevented.

The features of the invention disclosed in the foregoing description, in the claims and in the drawing, may be essential both individually and in any combination for the realization of the invention in its various embodiments.

LIST OF REFERENCE NUMBERS

2

closure device

4

wall element

6

Unlocking and / or locking device

8th

holder

10

First catch

12

First functional position

14

Second catch

16

Second functional position

18

control device

20

clamping means

22

actuating means

24

sensor unit

26

locking means

28

admission

30

striker

200

step

201

step

202

step

203

step

204

step

205

step

206

step

301

First reversal point

302

Second reversal point

303

First release time

401

Second release period

402

Third reversal point

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• US 2010/0032965 A1 [0007]

Claims (15)

Closure device ( 2 ) for opening and / or reclosing a wall element ( 4 ), such as door or tailgate, in particular a motor vehicle, with a locking and / or locking device ( 6 ) for opening and reclosing the wall element ( 4 ), with a holding device ( 8th ), by means of which the wall element ( 4 ) in a first functional position ( 12 ), from which it is returned, in particular automatically recirculated, or by means of which the wall element ( 4 ) in a second functional position ( 16 ), from which the wall element ( 4 ) is openable, can be arranged and with a control device ( 18 ), which at least one tensioning means ( 20 ) the unlocking and / or locking device ( 6 ), with which the wall element ( 4 ) with a force in the direction of the second functional position ( 16 ) can be acted upon for a certain first release period ( 303 ) releases when the wall element ( 4 ) upon actuation of an actuating means ( 22 ) closed or in the first functional position ( 12 ) is arranged and / or the at least the tensioning means ( 20 ) after a certain second release period ( 401 ) locks when the wall element ( 4 ) upon actuation of the actuating means ( 22 ) is open. Closure device ( 2 ) according to claim 1, wherein the first release period ( 303 ) between 150 and 1000 milliseconds, preferably between 200 and 850 milliseconds, preferably between 300 and 700 milliseconds and / or the second release period ( 401 ) between 0 and 200 milliseconds, preferably between 0 and 150 milliseconds, preferably between 0 and 100 milliseconds. Closure device ( 2 ) according to claim 1 or 2, wherein the wall element ( 4 ) in the second functional position ( 16 ) is held manually or automatically openable. Closure device ( 2 ) according to one of the preceding claims, wherein the first functional position ( 12 ) between a first catch ( 10 ) and a second catch ( 14 ), in particular the main detent and pre-detent, and / or the second functional position ( 16 ) above the second catch ( 14 ), in particular pre-catch, is formed. Closure device ( 2 ) according to one of the preceding claims, wherein the tensioning means ( 20 ) when closing the wall element ( 4 ) is automatically tensioned. Closure device ( 2 ) according to one of the preceding claims, wherein at least one sensor unit ( 24 ) is provided with the at least recognizable whether the wall element ( 4 ) is open or closed. Closure device ( 2 ) according to one of the preceding claims, wherein the unlocking and / or locking device ( 6 ), in particular by the control device ( 18 ) switchable, locking means ( 26 ), with which the, in particular closed, wall element ( 4 ) on a recording ( 28 ), in particular striker ( 30 ), is definable. Closure device ( 2 ) according to one of the preceding claims, wherein the unlocking and / or locking device ( 6 ) electrically by the control device ( 18 ) is designed to be controlled and / or the release of the clamping means ( 20 ) an energizing the unlocking and / or locking device ( 6 ). Control device ( 18 ) for controlling a closure device ( 2 ), in particular according to one of claims 1 to 8, wherein the control device ( 18 ) is at least suitable, a tensioning means ( 20 ) a locking and / or locking device ( 6 ). Method for opening and reclosing a wall element ( 4 ), such as door or tailgate, in particular a motor vehicle, with a locking and / or locking device ( 6 ), with a holding device ( 8th ) and with a control device ( 18 ), with which a clamping device ( 20 ) is releasable and definable, with the steps: e. Actuation of an actuating means ( 22 ), in particular by a user; f. Detected by the control device, whether the wall element ( 4 ) is closed or opened; G. When the wall element ( 4 ) is at least substantially closed: i. Releasing a, in particular electrically controllable, clamping means ( 20 ) the unlocking and / or locking device ( 6 ) for a certain first release period ( 303 ); ii. Applying the wall element ( 4 ) with a force through the clamping means ( 20 ), when the wall element ( 4 ) closed or in a first functional position ( 12 ) of the holding device ( 8th ) is arranged; iii. Re-setting the clamping device ( 20 ) after the expiration of the determined first release period ( 303 ) by the control device ( 18 ); H. Or if the wall element ( 4 ) is open: i. Releasing a, in particular electrically controllable, clamping means ( 20 ) the unlocking and / or locking device ( 6 ) for a certain second release period ( 401 ); ii. Determining the clamping device ( 20 ) the unlocking and / or locking device ( 6 ) after expiration of the second release period ( 401 ); Method according to claim 10, wherein before or with the unlocking or locking of the tensioning means ( 20 ) the unlocking and / or locking device ( 6 ) a locking agent ( 26 ) by the control device ( 18 ) is released or set. Method according to claim 10 or 11, wherein the first release period ( 303 ) between 150 and 1000 milliseconds, preferably between 200 and 850 milliseconds, preferably between 300 and 700 milliseconds and / or the second release period ( 401 ) between 0 and 200 milliseconds, preferably between 0 and 150 milliseconds, preferably between 0 and 100 milliseconds. Method according to one of claims 10 to 12, wherein the control device ( 18 ) by means of at least one sensor device ( 24 ) determines whether the wall element ( 4 ) is open or closed. Method according to claim 13, wherein the control device ( 24 ) by the at least one sensor unit ( 24 ) detects whether the wall element ( 4 ) in the second functional position ( 16 ) is arranged. Method according to one of claims 10 to 14, wherein the tensioning means ( 20 ) when closing the wall element ( 4 ) is automatically tensioned.

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